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CVE-2026-64637

Quick assessment

Affected
WebPros Plesk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WebPros Plesk是WebPros公司的一款网站服务器管理平台。 WebPros Plesk 18.0.80之前版本存在权限许可和访问控制问题漏洞，该漏洞源于XML-RPC API中权限管理不当，可能导致已认证的经销商获取root用户账户的管理员会话。

AI Predicted 8.4 Difficulty: Easy EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
WebPros Plesk < 18.0.80.1 affected
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I. Basic Information for CVE-2026-64637

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WebPros Plesk 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebPros Plesk是WebPros公司的一款网站服务器管理平台。 WebPros Plesk 18.0.80之前版本存在权限许可和访问控制问题漏洞，该漏洞源于XML-RPC API中权限管理不当，可能导致已认证的经销商获取root用户账户的管理员会话。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WebPros Plesk 0 ~ 18.0.80.1 -

II. Public POCs for CVE-2026-64637

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-64637

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Vendor Advisories for CVE-2026-64637 (1)

IV. Related Vulnerabilities

Same product: Plesk
Same vendor: WebPros
Same weakness: CWE-269

V. Comments for CVE-2026-64637

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